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Britain’s Wildlife Will Benefit from Better Coastal Structures

*Plants and animals that live on Britain’s coasts could benefit from changes to the way coastal structures such as seawalls, breakwaters, rock armour and jetties are designed and built.*

*Research by the Universities of Exeter and Plymouth and Treweek Environmental Consultants, supported by the Environment Agency, has led to the development of recommendations for the design and construction of coastal defence structures.*

The team has produced guidance on how the ‘ecological enhancement’ of hard coastal structures can be embedded in the design and planning process, from conception through to construction.

Past research has found that hard structures are poor ecological substitutes for natural rocky shores, often supporting only a few dominant, opportunistic species such as green algae. The research team assessed the suitability of different materials, surface roughness, positioning and height for coastal habitats. They examined structures across the South West coast, including Ilfracombe in Devon and Newlyn in Cornwall, as well as looking further afield to work from Sydney Harbour in Australia and Seattle Harbour in the USA. They focused on organisms such as barnacles and limpets as these dominate many rocky shore environments and rapidly colonise hard surfaces placed in the sea, including harbour walls. Once these organisms have established themselves, other plants and animals typically follow, to the benefit of species such as salmon. (more…)

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NASA Space Telescope Finds Fewer Asteroids Near Earth

PASADENA, Calif. –– New observations by NASA’s Wide-field Infrared Survey Explorer, or WISE, show there are significantly fewer near-Earth asteroids in the mid-size range than previously thought. The findings also indicate NASA has found more than 90 percent of the largest near-Earth asteroids, meeting a goal agreed to with Congress in 1998.

Astronomers now estimate there are roughly 19,500 — not 35,000 — mid-size near-Earth asteroids. Scientists say this improved understanding of the population may indicate the hazard to Earth could be somewhat less than previously thought. However, the majority of these mid-size asteroids remain to be discovered. More research also is needed to determine if fewer mid-size objects (between 330 and 3,300-feet wide) also mean fewer potentially hazardous asteroids, those that come closest to Earth. (more…)

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People Learn While They Sleep, Study Suggests

EAST LANSING, Mich. — People may be learning while sleeping – an unconscious form of memory that is still not well understood, according to a study by Michigan State University researchers.

The findings are highlighted in the Journal of Experimental Psychology: General. (more…)

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Introducing the All-New Kindle Family: Four New Kindles, Four Amazing Price Points

New latest generation Kindle – world’s bestselling e-reader now lighter, faster, and more affordable than ever – only $79
New “Kindle Touch” with easy-to-use touch screen – only $99
New “Kindle Touch 3G” with free 3G – the top of the line Kindle e-reader – only $149
New “Kindle Fire” – the Kindle for movies, TV shows, music, books, magazines, apps, games, and web browsing with all the content, free storage in the Amazon Cloud, Whispersync, Amazon’s new revolutionary cloud-accelerated web browser, vibrant color touch screen, and powerful dual-core processor – all for only $199

SEATTLE, Sep 28, 2011 (BUSINESS WIRE) –– Millions of people are already reading on Kindles and Kindle is the bestselling e-reader in the world for four years running. Today, Amazon is excited to introduce an all-new Kindle family: three all-new Kindle e-readers that are smaller, lighter, and more affordable than ever before, and Kindle Firea new class of Kindle that brings the same ease-of-use and deep integration of content that helped Kindle re-invent readingto movies, TV shows, music, magazines, apps, books, games, and more. (more…)

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